The GlowStreak's ultra-bright colour-changing LED core is bounce activated, waterproof, slobber-proof, and includes replaceable batteries. It's ideal for the ball-obsessed dog who wants to play fetch all day--and night.

Features:

• Durable LED Ball is great for nighttime play
• Motion activated - bounce to turn on
• Waterproof - it floats!
• Auto shut-off after 10 minutes of inactivity (5 minutes of glow followed by 5 minutes of flashing)
• Durable rubber construction
• 2 replaceable CR2032 batteries included
• Colour-Changing LED

Specifications:

• Run time: 35 hours
• Diameter: 2.5" | 63mm
• Weight: 3.9oz | 112g
• Colours: Changes from solid Red to colour-changing Disc-O